4406480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 11665920

約数和(自身を除く): 7259440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 223, 247, 260, 304, 380, 446, 494, 520, 760, 892, 988, 1040, 1115, 1235, 1520, 1784, 1976, 2230, 2470, 2899, 3568, 3952, 4237, 4460, 4940, 5798, 8474, 8920, 9880, 11596, 14495, 16948, 17840, 19760, 21185, 23192, 28990, 33896, 42370, 46384, 55081, 57980, 67792, 84740, 110162, 115960, 169480, 220324, 231920, 275405, 338960, 440648, 550810, 881296, 1101620, 2203240, 4406480]

約数ペア:

[(1, 4406480), (2, 2203240), (4, 1101620), (5, 881296), (8, 550810), (10, 440648), (13, 338960), (16, 275405), (19, 231920), (20, 220324), (26, 169480), (38, 115960), (40, 110162), (52, 84740), (65, 67792), (76, 57980), (80, 55081), (95, 46384), (104, 42370), (130, 33896), (152, 28990), (190, 23192), (208, 21185), (223, 19760), (247, 17840), (260, 16948), (304, 14495), (380, 11596), (446, 9880), (494, 8920), (520, 8474), (760, 5798), (892, 4940), (988, 4460), (1040, 4237), (1115, 3952), (1235, 3568), (1520, 2899), (1784, 2470), (1976, 2230)]